Air Filter/Intake Manifold malfunction????

[Anonymous]

I recently fitted an induction kit to my "2"

All went very well for approx 2 weeks until one day I drove along and everytime I touched the throttle from idle there was a slight dip.

 Then everytime I hit 4-4.500 rpm there was a big flat spot. Changed back to the original air filter and the problem got worse.

My local mechanic who is very experienced got his hearing gear on and said there was some kind of air leak near the intake manifold somewhere.

 As  this is a difficult area of the car to get to, does anyone have any ideas about replacing this/access?

Does the engine need to be dropped or can it be gained from the rear compartment???

I took the car to mr T and they said no one in their garage had ever done one and no reported problems!!

I am refusing to pay MR T  prices, just need an honest answer.

Please help

[markiii]

no access from teh rear compartment, bestacess is remove the battery and stretch

[Anonymous]

Thanks for the advice

However, even with the battery taken out there is no room to work on that area of the engine.

So it must be a case of drop the engine ??

I guess only the illusive "workshop manual" will reveal all. Wish they would just give us one everytime we bought them, given the thousands spent, I feel we have the right to know how the damn thing is put together!

Any other tips on working on this part of the car would be greatly appreciated!

[aaronjb]

The job has been done by at least one person (I think, two) over on SpyderChat, a search over there should turn it up.

IIRC it's possible to get the inlet manifold out if you remove the battery, all the hoses around it, and then remove the rear engine mount to allow you to drop the engine and rotate it backward an inch or two.

[spit]

Inlet manifold leak seems a little coincidental seeing as you just fitted an induction kit. To my mind, your local mechanic might have been referring to the intake pipe where it joins to the throttle body (If I'm wrong, stop reading now  s:wink: :wink: s:wink:  ).

This is the pipe that takes the air round the side of the engine (bottom left in the pic below), and you're right its a bit of a sod to get to, but not too bad with the battery out. You can unhook the gubbins on top of it for even more access.



Maybe the banjo holding it to the TB has come loose, and that's where I'd start looking. Also wouldn't hurt to clean the MAF sensor, as this can cause the symptoms you're getting (in fact, I'd probably try that first!)

Goodie Luckie

[SteveJ]

Which induction kit?

If it has an oiled (wet) filter rather than the dry type supplied with the a'Pexi then the maf could be oiled up and require cleaning.

[GSB]

Check the MAF, you may have disturbed the wiring to it, and it generates exactly the same symptoms...